• Try recharging or press the RESET button once on the Parent Unit. 
• If the Baby Unit is too far away it may be going out of range, so move the Baby Unit closer to the Parent Unit. 
• Reset the units by disconnecting the Baby Unit from electrical power and press the RESET button once on the Parent Unit. Wait about 15 seconds before reconnecting. Allow up to one minute for the Baby Unit and the Parent Unit to synchronize.